The Fan Assembly,centrifugal, cataloged under National Stock Number 4140-01-503-2903, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Systems Integration Plus, Llc Dba Systems Integration Plus Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-503-2903 |
| Primary Part Number | SIP-MOD-RFU |
| Item Name | Fan Assembly,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Systems Integration Plus, Llc Dba Systems Integration Plus Inc |
| Status | ACTIVE |
| Component Quantity | 18 |
| Document Type | BILL OF MATERIAL |
| End Item Source | 0M4P2 |
| Nonsupply Items and Quantities | P/N PS0396-01, MANUFACT SIP, QTY 1, ICP FAN TRAY BRACKET, FRONT.-P/N PS0396-02, MANUFACT SIP, QTY 1,ICP FAN TRAY, REAR.-P/N 66-138-23, MANUFACT ELMA ELECTRONIC, QTY 2, EXTRUSION, HORZIONTAL INTERNAL.-P/N 46F5138, MANUFACT NEWARK, QTY 2, FANS, 4.7" AC ONLY, 4710PS-12T-B30.-P/N 46F5105, MANUFACT NEWARK, QTY 2, FANS, 2.4" AC ONLY, 2412PS-12W-B30.-P/N M4X10 FLATHEAD, MANUFACT SIP, QY 8, SCREW, M4X10 FLATHEAD, MOUNTING RFU TO CHASSIS SIDE WALLS, NEED TO COUNTERSINK HOLES TO PREVENT OBSTRUCTION WITH SIDE RAILS.-P/N SIP-INTEG, MANUFACT SIP, QTY 1, ASSEMBLY. W |
| Document Source | 0M4P2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SIP-MOD-RFU PRIMARY | Systems Integration Plus, Llc Dba Systems Integration Plus Inc (USA) |
NSN 4140-01-503-2903 is a Fan Assembly,centrifugal, manufactured by Systems Integration Plus, Llc Dba Systems Integration Plus Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-503-2903 has 1 manufacturer part number on file: SIP-MOD-RFU (Systems Integration Plus, Llc Dba Systems Integration Plus Inc).
Key specifications for SIP-MOD-RFU: Component Quantity: 18; Document Type: BILL OF MATERIAL; End Item Source: 0M4P2; Nonsupply Items and Quantities: P/N PS0396-01, MANUFACT SIP, QTY 1, ICP FAN TRAY BRACKET, FRONT.-P/N PS0396-02, MANUFACT SIP, QTY 1,ICP FAN TRAY, REAR.-P/N 66-138-23, MANUFACT ELMA ELECTRONIC, QTY 2, EXTRUSION, HORZIONTAL INTERNAL.-P/N 46F5138, MANUFACT NEWARK, QTY 2, FANS, 4.7" AC ONLY, 4710PS-12T-B30.-P/N 46F5105, MANUFACT NEWARK, QTY 2, FANS, 2.4" AC ONLY, 2412PS-12W-B30.-P/N M4X10 FLATHEAD, MANUFACT SIP, QY 8, SCREW, M4X10 FLATHEAD, MOUNTING RFU TO CHASSIS SIDE WALLS, NEED TO COUNTERSINK HOLES TO PREVENT OBSTRUCTION WITH SIDE RAILS.-P/N SIP-INTEG, MANUFACT SIP, QTY 1, ASSEMBLY. W. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.